CN206557565U - Independently-powered multichannel essential safe type data acquisition device - Google Patents
Independently-powered multichannel essential safe type data acquisition device Download PDFInfo
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- CN206557565U CN206557565U CN201621230731.6U CN201621230731U CN206557565U CN 206557565 U CN206557565 U CN 206557565U CN 201621230731 U CN201621230731 U CN 201621230731U CN 206557565 U CN206557565 U CN 206557565U
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Abstract
The utility model belongs to the technical field of data acquisition device, specifically related to a kind of independently-powered multichannel essential safe type data acquisition device, solving the original some mechanical of underground coal mine, hydraulic test does not have monitoring of working condition ability, so as to operate with failure, the problem of major break down, major break down is ultimately resulted in.It includes CPU, lithium battery, battery manager, display screen, clock circuit, sensor group, booster circuit and the MUX handled by intrinsic safety.Its equipment science management of power use method completed, scanning power supply collection is changed to by the continuous power supply collection of equipment：By testing and testing, determine the time of the minimum transient state startup of various intrinsic safety type sensors and keep slightly, thus set the most short unit period of battery, the normal work of equipment is maintained with minimum electric energy.The operating mode that the utility model realizes equipment is monitored and warning function in real time.
Description
Technical field
The utility model belongs to the technical field of data acquisition device, and in particular to a kind of independently-powered multichannel essence
Safety-type data acquisition device.
Background technology
It is gradually improved with the configuration and management of colliery downhole equipment, many original machineries for not being included in electic protection are set
The need for having had outfit monitoring and protecting system, a part therein is the key equipment based on mechanically and hydraulically.These set
Standby is that, without any detection and protection early warning, small potential faults are not apparent under the conditions of original, often continue tape jam after
It is continuous to use, once damaging, because its weight is big, disassemble inconvenience, it is difficult to recover, mine working face will often stop work to come for a long time
Change accessory.
Solve the above problems at present and typically install electric monitoring equipment additional in intrinsic equipment, typically there is two ways：
First is to redesign the novel device for including electric control system, should in this way, and every equipment is required for
Debugging is redesigned, the cycle is long, and without versatility.
The two is increase and the explosion-proof monitoring equipment for associating independent design, the versatility of this mode on existing apparatus
It is good.
Explosion-proof monitoring equipment is divided to two kinds：Flame-proof type, essential safe type --- flame-proof type need very big electronic-control box structure,
Heavy inconvenience；Although intrinsic safety type compact is lightweight, also limited by original condition of power supply, need to lay confession again mostly
Electrical cables.If this scheme of simple use, in final implementation process, still there are many difficulties.
The content of the invention
The utility model, which seeks to the original some mechanical of solution underground coal mine, hydraulic test, does not have monitoring of working condition ability, from
And operate with failure, ultimately resulting in the problem of major break down, major break down, there is provided a kind of independently-powered multichannel essential safe type
Data acquisition device, it meets the need that distinct device configures corresponding fault monitoring device with a kind of versatility very strong mode
Will.
The utility model adopts the following technical scheme that realization：
Independently-powered multichannel essential safe type data acquisition device, including by intrinsic safety handle CPU, lithium battery,
Battery manager, display screen, clock circuit, sensor group, booster circuit and MUX, sensor group and clock circuit
Data output end connect CPU data input pin, CPU data output end connection display screen, battery manager, booster circuit
And the data input pin of MUX, the power input of the power output end connection battery manager of lithium battery, power supply
The power output end of manager connects the power input of display screen, CPU and booster circuit, the power output end of booster circuit
The power output end of MUX is connected, the power output end of MUX connects the power input of sensor group, institute
Stating sensor group includes some sensors.
10 A/D converters built in CPU, also E2 chips, for storing the data of collection, also RS232 level conversions
Circuit, by that can be connected after level conversion with the serial ports of PC, realizes that the host computer of monitoring record is read.
The MUX uses the analog switch of multiselect one, and the data acquisition of 8 passages can be achieved by point operation.
Battery manager is that lithium cell charging manages special chip, realizes the Charge Management of built-in lithium battery.
The equipment science management of power use side that described independently-powered multichannel essential safe type data acquisition device is completed
Method,
1）, the continuous power supply of equipment collection is changed to scanning power supply collection：By testing and testing, various intrinsic safety are determined
The time of the minimum transient state startup of type sensor simultaneously keeps slightly, thus sets the most short unit period of battery, with
Minimum electric energy maintains the normal work of equipment.
2nd, set two kinds of mode of operations, one kind be normal mode of operation, place button when and sensor access one section
Start in time：It is per second to test all sensors signal once, and directly judge to receive signal and the relation of set threshold value, and
Send alarm sounds；Another is semidormancy mode of operation, is voluntarily started after normal mode works a period of time, in this pattern
Under the sensor scan time be adjustable value, can require pre-set and adjust according to the effective of test physical quantity.This two
The mode of kind, which is used cooperatively, to save limited electric energy to the full extent while using effect is ensured.
The utility model is a kind of essential safe type monitoring device, and internal carry meets the battery that safety of coal mines is required,
Powered the scientific management with equipment electricity consumption by power supply again, reduce average power consumption, duration is intended for single use in extension device.Connect phase
The essential safe type sensor answered, realizes a kind of independent monitoring early-warning system independent of condition of power supply, while being also a kind of
The electrified state monitoring device of the miniaturization of highly compatible.
The utility model has the advantages that compared with the prior art：Solving underground coal mine does not have working-condition monitoring system
Machinery, hydraulic test operate with failure so as to cause possible more major break down even accident the problem of, realize equipment
Operating mode is monitored and warning function in real time.
Implementation and method of the present utility model, eliminating distinct device needs again exploitation one by one with electrically controlled monitoring
The problem of new equipment of system.It is more compact and flexible than flame-proof type equipment；Compare simple intrinsic safety equipment, and independent of original electricity
The laid condition on road.Itself can work independently for a long time, associate a variety of essential safe type sensors, can directly and plurality of devices
Directly dock, compatibility is strong.
Brief description of the drawings
Fig. 1 is schematic diagram of the present utility model,
Fig. 2 is structural representation of the present utility model.
Fig. 3 be sensor signal If from I1 to I2 during signal intensity schematic diagram.
In figure：If is sensor signal, and I0T is electric current/time coordinate, and I1 is the initial value of sensor signal, and I2 is biography
Numerical value after the change of sensor signal, T1 is the concussion time, and T2 is the retention time after improving, and T3 is original retention time, t0
For catastrophe point.
Embodiment
As shown in Figure 1 and Figure 2, independently-powered multichannel essential safe type data acquisition device, including by intrinsic safety processing
CPU, lithium battery, battery manager, display screen, clock circuit, sensor group, booster circuit and MUX, sensing
The data output end of device group and clock circuit connects CPU data input pin, CPU data output end connection display screen, battery
The data input pin of manager, booster circuit and MUX, the power output end connection battery manager of lithium battery
Power input, the power output end of power supervisor connects the power input of display screen, CPU and booster circuit, boosting
The power output end of circuit connects the power output end of MUX, the power output end connection sensor group of MUX
Power input, the sensor group include some sensors.
CPU is built-in with 10 A/D converters, also E2 chips, and for storing the data of collection, also RS232 level turns
Circuit is changed, by that can be connected after level conversion with the serial ports of PC, realizes that the host computer of monitoring record is read.MUX is adopted
With the analog switch of multiselect one, the data acquisition of 8 passages can be achieved by point operation.Battery manager is that lithium cell charging management is special
With chip, the Charge Management of built-in lithium battery is realized.
The equipment science management of power use method that independently-powered multichannel essential safe type data acquisition device is completed, it is special
Levy and be
1）, the continuous power supply of equipment collection is changed to scanning power supply collection：By testing and testing, various intrinsic safety are determined
The time of the minimum transient state startup of type sensor simultaneously keeps slightly, thus sets the most short unit period of battery, with
Minimum electric energy maintains the normal work of equipment,
2）, set two kinds of mode of operations, one kind be normal mode of operation, place button when and sensor access one section
Start in time：It is per second to test all sensors signal once, and directly judge to receive signal and the relation of set threshold value, such as
Signal transfinites, and sends alarm sounds；Another is semidormancy mode of operation, is voluntarily opened after normal mode works a period of time
It is dynamic --- the sensor scan time in such a mode is adjustable value, can require to set in advance according to the effective of test physical quantity
Put and adjust（10S is such as adjustable as once to power scanning）, screen display is simultaneously closed off, only retains CPU heartbeats, sensor is with outdoor electrical
System, which is under lowest energy consumption pattern, to work.Button is in apparatus surface, is node connection form, is passed for realizing that regulation is each
The function such as sensor signal threshold value and setting scanning power-up period
Such as Fig. 3, signal intensities of the sensor signal If during I2 is changed to from I1 is represented, wherein I1 can be base
0 state before this electric current 4mA either power supplies.
When If become by I1 turn to I2 it is initial when, If can reach a kurtosis I3 in actual conditions, by the T1 periods
Shake stable to I2 afterwards, T1, which is referred to as returning after unstable period, If, is stabilized to I2 values up to signal intensity moment next time, into
For T3（The If stable retention times）.
Under normal conditions, sensor can continuous drain, that is to say, that if using t0 as starting beginning supply terminals, after
T1, T3 and time afterwards be power-on time, sensor can continuous drain.
Scientific utilization of electricity management to sensor will be first had to difference based in the understanding to sensor performance itself
The T1 signals concussion time of sensor tests（Heterogeneity is different with the sensor T1 times of model）, it is stable to I2 in If
Afterwards, by keeping short period T2, T2 time span is the time that stable signal is sent to CPU and recorded, it
The power supply to sensor is interrupted afterwards, until the arrival of next power-up period.Thus we only power within the T1+T2 periods,
The sensor saved within the T3-T2 periods is powered, and（T3-T2）/（T1+T2）Ratio and the settings of T2 values just determine
Reduce the degree of sensor energy consumption.
Use common power mode：Whole system（Including sensor and CPU and display screen）Held if directly used
Continuous power supply mode, average current reaches 94mA, with 5Ah battery power amount calculation, is only capable of maintaining electricity consumption needs of the equipment more than 2 days.
Broken out using the management of power use of the present utility model, conservative estimation can maintain equipment power-on time to be nearly 60 days,
Even longer, system core electricity consumption can be reduced to the 4.3% of original power consumption by a using semidormancy state；B is supplied using scanning
Electrically, sensor power consumption can be reduced to the 3.3% of original power consumption.
Claims (4)
1. a kind of independently-powered multichannel essential safe type data acquisition device, it is characterised in that including what is handled by intrinsic safety
CPU, lithium battery, battery manager, display screen, clock circuit, sensor group, booster circuit and MUX, sensor
The data output end of group and clock circuit connects CPU data input pin, CPU data output end connection display screen, cell tube
The data input pin of device, booster circuit and MUX is managed, the power output end of lithium battery connects the electricity of battery manager
Source input, the power output end of power supervisor connects the power input of display screen, CPU and booster circuit, boosting electricity
The power output end on road connects the power output end of MUX, the power output end connection sensor group of MUX
Power input, the sensor group includes some sensors.
2. independently-powered multichannel essential safe type data acquisition device according to claim 1, it is characterised in that CPU
10 A/D converters, also E2 chips are built-in with, for storing the data of collection, also RS232 level shifting circuits pass through
It can be connected after level conversion with the serial ports of PC, realize that the host computer of monitoring record is read.
3. independently-powered multichannel essential safe type data acquisition device according to claim 1, it is characterised in that institute
MUX is stated using the analog switch of multiselect one, the data acquisition of 8 passages can be achieved by point operation.
4. independently-powered multichannel essential safe type data acquisition device according to claim 1, it is characterised in that electricity
Pool manager is that lithium cell charging manages special chip, realizes the Charge Management of built-in lithium battery.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621230731.6U CN206557565U (en) | 2016-11-16 | 2016-11-16 | Independently-powered multichannel essential safe type data acquisition device |
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| CN201621230731.6U CN206557565U (en) | 2016-11-16 | 2016-11-16 | Independently-powered multichannel essential safe type data acquisition device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106383477A (en) * | 2016-11-16 | 2017-02-08 | 太重煤机有限公司 | Independent-powered multichannel intrinsically safe data acquisition device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106383477A (en) * | 2016-11-16 | 2017-02-08 | 太重煤机有限公司 | Independent-powered multichannel intrinsically safe data acquisition device |
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